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LEGO Missing Piece Checker

Rule out the usual hiding places first. If the piece really is gone, check the set piece by piece and leave with the element ID LEGO asks for, or a link to buy the part.

Pneumatic Pack

Checking

5218 Pneumatic Pack

152 pieces in 53 part and color combinations.

Before you call it missing

Builders who report a missing piece often find it in one of these places. Tick each one off as you look.

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Piece checklist

Black 69 pieces

  • Hose, Pneumatic 4mm D. 26.25L / 21cm Black Part 5102c26.25 ×1
  • Hose, Pneumatic 4mm D. 40L / 32.0cm Black Part 5102c40 Element 6648026 or 6217915 ×1
  • Plate Special 2 x 2 with 2 Pin Holes Black Part 2817 Element 281726 ×2
  • Technic Axle 2 Notched Black Part 32062 Element 4109810 or 3206226 ×7
  • Technic Axle 3 Black Part 4519 Element 6238084 or 451926 ×8
  • Technic Axle 4 Black Part 3705 Element 370526 ×5
  • Technic Axle 5 Black Part 32073 Element 4114740 ×4
  • Technic Axle 6 Black Part 3706 Element 370626 ×1
  • Technic Axle 8 Black Part 3707 Element 370726 ×1
  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Black Part 32184 Element 6276951 or 4121667 ×1
  • Technic Axle and Pin Connector Perpendicular Double Black Part 32291 Element 6280394 or 4140430 ×1
  • Technic Beam 1 x 15 Thick Black Part 32278 Element 4542573 or 4128603 ×4
  • Technic Beam 1 x 7 Bent (4 - 4) Thick Black Part 32348 Element 6278125 or 4128593 ×3
  • Technic Beam 3 x 3 L-Shape Thin Black Part 32056 Element 6271810 or 4112287 ×2
  • Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin Black Part 32250 Element 6327162 or 4128557 ×2
  • Technic Beam Triangle Thin [Type I] Black Part 2905 Element 4142543 or 290526 ×4
  • Technic Brick 1 x 16 [15 Pin Holes] Black Part 3703 Element 370326 ×2
  • Technic Brick 1 x 2 [1 Pin Hole] Black Part 3700 Element 370026 ×2
  • Technic Brick 1 x 2 [2 Pin Holes] Black Part 32000 Element 3200026 ×1
  • Technic Pin Connector Round [No Slot] Black Part 75535 Element 75619 ×1
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Black Part 6558 Element 655826 ×4
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 1 spare in the box ×12

Light Gray 60 pieces

  • Hose, Pneumatic 4mm D. 26.25L / 21cm Light Gray Part 5102c26.25 ×1
  • Hose, Pneumatic 4mm D. 40L / 32.0cm Light Gray Part 5102c40 ×1
  • Plate 2 x 2 Light Gray Part 3022 Element 302202 ×2
  • Pneumatic Switch with Top Studs Light Gray Part 75215 Element 4190775 or 75215 ×2
  • Pneumatic T-Piece (T Bar) [New Style] Light Gray Part 4697b Element 469702 ×1
  • Technic Axle Connector Ridged [with x Hole x Orientation] Light Gray Part 6538b Element 4113804 or 4100408 ×2
  • Technic Axle Pin without Friction Ridges Lengthwise Light Gray Part 3749 Element 4184168 or 4154179 ×4
  • Technic Axle and Pin Connector Perpendicular Light Gray Part 6536 Element 4173667 or 653602 ×4
  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Light Gray Part 32184 Element 4124443 ×1
  • Technic Beam 1 x 3 Thick Light Gray Part 32523 Element 4142599 ×2
  • Technic Beam 1 x 3 Thin Light Gray Part 6632 Element 4107825 ×2
  • Technic Beam 1 x 7 Thin Light Gray Part 32065 Element 4125563 or 4114567 ×2
  • Technic Beam 2 x 4 L-Shape Thick Light Gray Part 32140 Element 4121620 ×2
  • Technic Beam 3 x 3 L-Shape with Quarter Ellipse Thin Light Gray Part 32249 Element 4128601 ×2
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Light Gray Part 32064b ×2
  • Technic Bush Light Gray Part 3713 Element 4125313 or 659002 1 spare in the box ×4
  • Technic Bush 1/2 Smooth with Axle Hole Reduced Light Gray Part 32123a 1 spare in the box ×20
  • Technic Pin without Friction Ridges Lengthwise Light Gray Part 3673 Element 4184166 or 367302 ×1
  • Technic Plate 2 x 4 [3 Holes] Light Gray Part 3709 Element 370902 ×5

Purple 8 pieces

  • Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Purple Part 32184 Element 4142598 ×2
  • Technic Axle and Pin Connector Perpendicular Double Purple Part 32291 Element 4140523 ×6

Yellow 8 pieces

  • Pneumatic Cylinder 1 x 5 with 2 Inlets Yellow Part 74981 Element 6005292 or 4625540 ×1
  • Pneumatic Cylinder with 2 Inlets Medium (48mm) with Black Top Yellow Part 2793c01 Element 4190836 or 74721 ×1
  • Pneumatic Pump 1 x 5.5 Yellow Part 74982 Element 4563137 or 74982 ×1
  • Pneumatic Pump New Style with Black Top Yellow Part 2797c02 Element 4563134 or 74720 ×1
  • Technic Axle and Pin Connector Perpendicular Yellow Part 6536 Element 6261367 or 4173666 ×2
  • Technic Pin Double with Axle Hole Yellow Part 32138 Element 4130596 or 4119438 ×2

Blue 5 pieces

  • Hose, Pneumatic 4mm D. 11.25L / 9cm Blue Part 5102c11.25 ×3
  • Hose, Pneumatic 4mm D. 3.75L / 3cm Blue Part 5102c03.75 ×1
  • Pneumatic Airtank Blue Part 75974 Element 4107073 ×1

Dark Gray 2 pieces

  • Technic Axle 3 with Stud Dark Gray Part 6587 Element 4113884 or 658727 ×2

Tick each piece as you find it, or mark it missing.

When a piece really is missing

Ask LEGO

LEGO takes requests for pieces missing from a new set through its customer service site. The form asks for the set number and each piece's element ID, the number printed beside the piece in the parts list at the back of the instructions. This checker lists both.

Request a replacement from LEGO

Buy the piece

Mark a piece missing and your list links it to an eBay search for that part, which also covers pieces from older or second-hand sets.

Keep a record

Copy or download your missing list (the CSV opens in any spreadsheet), or print the whole checklist and tick pieces off on paper. Your marks stay in this browser, so you can check a big set over several sittings.

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